Add default command and menu for node 'Please login to the cluster'

[dgolovin]

Fix #1438.
Adds default command "login" when double click on "Please login into the cluser" node and context menu

Signed-off-by: Denis Golovin dgolovin@redhat.com

[codecov]

Codecov Report

Merging #1450 into master will decrease coverage by 0.02%.
The diff coverage is 75.00%.

@@            Coverage Diff             @@
##           master    #1450      +/-   ##
==========================================
- Coverage   86.52%   86.50%   -0.03%     
==========================================
  Files          33       33              
  Lines        2338     2341       +3     
  Branches      420      421       +1     
==========================================
+ Hits         2023     2025       +2     
- Misses        315      316       +1     

Impacted Files	Coverage Δ
src/odo.ts	84.86% <75.00%> (-0.08%)	⬇️

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